G9366 HCPCS Level II code: One high-risk medication not ordered
CMS terminated G9366: its last date of service was Dec 31, 2020. It stays here for looking up older claims; newer services need a current code.
Official description
G9366One high-risk medication not ordered
Short description: 1high risk no ord
HCPCS · United States
Medicare details
The indicators CMS publishes with G9366 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Medical care
- BETOS category
- Undefined codes
- Added
- Jan 1, 2015
- Terminated after
- Dec 31, 2020
Where G9366 sits
- 1G codesProcedures and professional services
- 2Terminated G9366One high-risk medication not ordered
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is HCPCS code G9366 still valid?
No. CMS terminated G9366; its last date of service was Dec 31, 2020. It is listed for looking up services from before then. Use a current code for newer services.
Does Medicare cover G9366?
CMS lists G9366’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside G9366
All G codesG9360No documentation of negative or managed positive tb screenG9361Medical indication for delivery by cesarean birth or induction of labor (<39 weeks of gestation) [documentation of reason(s) for elective delivery (e.g., hemorrhage and placental…G9362Duration of monitored anesthesia care (mac) or peripheral nerve block (pnb) without the use of general anesthesia during an applicable procedure 60 minutes or longer, as…G9363Duration of monitored anesthesia care (mac) or peripheral nerve block (pnb) without the use of general anesthesia during an applicable procedure or general or neuraxial…G9364Sinusitis caused by, or presumed to be caused by, bacterial infectionG9365One high-risk medication orderedG9367At least two orders for high-risk medications from the same drug classG9368At least two orders for high-risk medications from the same drug class not orderedG9369Individual filled at least two prescriptions for any antipsychotic medication and had a pdc of 0.8 or greaterG9370Individual who did not fill at least two prescriptions for any antipsychotic medication or did not have a pdc of 0.8 or greaterG9376Patient continued to have the retina attached at the 6 months follow up visit (+/- 1 month) following only one surgeryG9377Patient did not have the retina attached after 6 months following only one surgery